Chemical Formula: C41H60N8O8S2

2-[(2-{[2-({2-[(6-amino-2-{[2-amino-1-hydroxy-3-(1H-indol-3-yl)propylidene]amino}-1-hydroxyhexylidene)amino]-1-hydroxy-3-(4-hydroxyphenyl)propylidene}amino)-1-hydroxy-4-(methylsulphanyl)butylidene]amino}-1-hydroxy-3-methylbutylidene)amino]-4-(methylsulphanyl)butanoic acid